Home / 104,110.89-143,673.75-56,364.36

Finding the Fourth Proportional to 104,110.89, 143,673.75 and 56,364.36

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Solution

The fourth proportional to 104,110.89, 143,673.75 and 56,364.36 is: 77,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,110.89 : 143,673.75 = 56,364.36 : x
  2. Step 2: Convert to fraction form
    104,110.89/143,673.75 = 56,364.36/x
  3. Step 3: Cross multiply
    104,110.89x = 143,673.75 × 56,364.36
  4. Step 4: Simplify right side
    104,110.89x = 8,098,078,967.55
  5. Step 5: Solve for x
    x = 8,098,078,967.55/104,110.89
  6. Step 6: Final answer
    x = 77,783.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.